VASCO Data's Latest Deal Is A Win For Investors By: Benzinga via Benzinga October 11, 2015 at 12:14 PM EDT Having plummeted from $28 to $20 in July, shares of VASCO Data Security International, Inc. (NASDAQ: VDSI) are down 30 percent in ... Read More >> Related Stocks: VASCO Data Security International, Inc. - Common Stock